| Keyword | Definition |
|---|---|
| 13 | special Caesar shift that is reversible using the same Caesar shift |
| 26 | Special Caesar shift that has no impact (letters are shifted all the way back round the alphabet) |
| Caesar cipher | an algorithm that shifts each letter a message along the alphabet by a certain number of letters (e.g. A becomes B) |
| Caesar shift | the number of characters that each letter of a message is moved along the alphabet by in a caesar cipher |
| Cipher | algorithm used to encode or encrypt data |
| Decode | algorithm that is used to transform data back to its original form (without a password) |
| Decrypt | algorithm that uses a password to make secure data readable |
| Encode | algorithm that is used to transform data from one form to another (without a password) |
| Encrypt | algorithm that makes data very difficult to understand without a password |
